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Longchem Co.,Limited

China
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Company Profile

Longchem Co., Ltd. is a leading chemical company in China, with a history dating back to 1984. The company was founded by a group of experienced professionals who recognized the potential of the chemical industry in China and set out to establish an enterprise that would cater to the needs of this rapidly growing market.


From its humble beginnings, Longchem has grown rapidly and become a major player in the Chinese chemical industry. The company is known for its commitment to quality and innovation, and has established itself as a trusted partner for customers in a wide range of industries, including pharmaceuticals, fine chemicals, and agrochemicals.


The company has a strong research and development team that is constantly developing new products and processes to meet the evolving needs of its customers. Additionally, Longchem has a well-established manufacturing infrastructure that allows the company to produce high-quality products efficiently and cost-effectively.


In recent years, Longchem has also focused on expanding its international presence, and has established subsidiaries and partnerships with many countries around the world. This global reach has allowed the company to tap into new markets and offer its products and services to customers in new regions.


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Product List

Product Name Synonyms CAS No. Grate/Content Operate

(E)-3-[3'-(4"-Fluorophenyl)-1'-(1"-methylethyl)-1H-indol-2"-yl]-2-propnal

2-Propenal,3-[3-(4-fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-,(2E)-;2-Propenal,3-[3-(4-fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-,(E)-;(2E)-3-[3-(4-Fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-2-propenal;(E)-3-(3-(4-Fluorophenyl)-1-isopropyl-1H-indol-2-yl)acrylaldehyde
93957-50-7 Inquiry

(S)-3-Aminoquinuclidine dihydrochloride

1-Azabicyclo[2.2.2]octan-3-amine,hydrochloride (1:2),(3S)-;1-Azabicyclo[2.2.2]octan-3-amine,dihydrochloride,(S)-;1-Azabicyclo[2.2.2]octan-3-amine,dihydrochloride,(3S)-;3(S)-Aminoquinuclidine dihydrochloride;(S)-3-Aminoquinuclidine dihydrochloride;(S)-(-)-3-Aminoquinuclidine dihydrochloride;(3S)-3-Aminoquinuclidine dihydrochloride;(3S)-1-Azabicyclo[2.2.2]octan-3-amine dihydrochloride;(S)-Quinuclidin-3-amine dihydrochloride
119904-90-4 Inquiry

(S,S)-2,8-Diazabicyclo[4,3,0]nonane

1H-Pyrrolo[3,4-b]pyridine,octahydro-,(4aR,7aR)-;1H-Pyrrolo[3,4-b]pyridine,octahydro-,(4aR-cis)-;(4aR,7aR)-Octahydro-1H-pyrrolo[3,4-b]pyridine;[(4aR,7aR)-Octahydro-6H-pyrrolo[3,4-b]pyridine;(1R,6R)-2,8-Diazabicyclo[4.3.0]nonane;(4aS,7aS)-Octahydro-6H-Pyrrolo[3,4-b]pyridine;(4AR,7aR)-octahydro-1H-pyrrolo[3,4-b]pyridine
151213-42-2 Inquiry

1,2,3,4-Tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic acid hydrochloride

TIMTEC-BB SBB003411;Moexipril Related CoMpound E;(S)-(-)-6,7-DIMETHOX-1,2,3,4-TETRAHYDROI;1,2,3,4-TETRAHYDROISOQUINOLINE-3-CARBOXYLIC ACID HYDROCHORIDE;1,2,3,4-TETRAHYDRO-3-ISOQUINOLINECARBOXYLIC ACID HYDROCHLORIDE;1,2,3,4-TETRAHYDROISOQUINOLINE-3-CARBOXYLIC ACID HYDROCHLORIDE;DL-1,2,3,4-TETRAHYDROISOQUINOLINE-3-CARBOXYLIC ACID HYDROCHLORIDE;S-6,7-dimethoxy-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylicacidHCl;(S)-(-)-6,7-Dimethoxy-1,2,3,4-Tetrahydroisoquinoline-3-Carboxylic Acid HCl;6,7-DIMETHOXY-
82586-62-7 Inquiry

1,2,4-Triazole

1H-1,2,4-Triazole;s-Triazole;4H-1,2,4-Triazole;NSC 83128;3,4-Diazapyrrole;116421-29-5;288-89-1;25167-73-1;27236-77-7;1001118-18-8
288-88-0 Inquiry

1,3-Propanesultone

1,2-Oxathiolane,2,2-dioxide;1-Propanesulfonic acid,3-hydroxy-,γ-sultone;1,3-Propane sultone;γ-Propane sultone;Propane sultone;3-Hydroxy-1-propanesulfonic acid sultone;Propyl sultone;3-Hydroxy-1-propanesulfonic acid γ-sultone;NSC 42386;1,3-Trimethylene sultone;1,2-Oxathiolan-2,2-dioxide;1,2-Oxathiolane-2,2-dioxide;ES 200L
1120-71-4 Inquiry

1,5-Dihydroxy naphthalene

1,5-Naphthalenediol;C.I. 76625;Durafur Developer E;Oxidation Base;1,5-Dihydroxynaphthalene;NSC 7202;1,5-Dihydroxynaphthaline;1,5-Naphthohydroquinone;D 0590;1013361-23-3
83-56-7 Inquiry

1,7-Dihydroxynaphthalene

1,7-Naphthalenediol;C.I. 76635;1,7-Dihydroxynaphthalene;NC 002;NSC 62686
575-38-2 Inquiry

1-Acetyl-4-piperidinecarboxylic acid

4-Piperidinecarboxylic acid,1-acetyl-;Isonipecotic acid,1-acetyl-;1-Acetyl-4-piperidinecarboxylic acid;1-Acetylisonipecotic acid;N-Acetylisonipecotic acid;N-Acetylisonipecotinic acid;N-Acetylpiperidine-4-carboxylic acid;4-Acetylpiperidine-1-carboxylic acid;869721-82-4
25503-90-6 Inquiry

1-Chloroethyl cyclohexyl carbonate

Carbonic acid,1-chloroethyl cyclohexyl ester;1-Chloroethyl cyclohexyl carbonate;Cyclohexyl 1-chloroethyl carbonate;1-(Cyclohexyloxycarbonyloxy)ethyl chloride;1-[[(Cyclohexyloxy)carbonyl]oxy]-1-chloroethane;Carbonic acid 1-chloroethyl ester cyclohexyl ester;Cilexetil chloride;95775-04-5
99464-83-2 Inquiry

1-Hydroxyethylethoxypiperazine

Ethanol,2-[2-(1-piperazinyl)ethoxy]-;2-[2-(1-Piperazinyl)ethoxy]ethanol;N-Hydroxyethoxyethylpiperazine;1-[2-(2-Hydroxyethoxy)ethyl]piperazine;1-[2-[(2-Hydroxyethyl)oxy]ethyl]piperazine;1-((2-Hydroxyethoxy)ethyl)piperazine;2-[2-(Piperazin-1-yl)ethoxy]ethan-1-ol
13349-82-1 Inquiry

1-Naphthol

1-Naphthalenol;1-Naphthol;C.I. 76605;BASF Ursol ERN;C.I. Oxidation Base 33;Durafur Developer D;Fouramine ERN;Fourrine 99;Fourrine ERN;Furro ER;1-Hydroxynaphthalene;α-Hydroxynaphthalene;Nako TRB;α-Naphthol;Tertral ERN;Ursol ERN;Zoba ERN;α-Naphthyl alcohol;1-Naphthyl alcohol;Naphthol-1;NSC 9586;Naphthyl-1-ol;5-Hydroxynaphthalene;50356-21-3
90-15-3 Inquiry

10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine

Dibenzo[b,f][1,4]thiazepin-11(10H)-one;10,11-Dihydro-11-oxodibenz[b,f][1,4]thiazepine;NSC 653252;Dibenzo[b,f][1,4]thiazepine-11(10-H)-one;10,11-Dihydrodibenzo[b,f][1,4]thiazepin-11-one;dibenzo[b,f][1,4]thiazepin-11(10H)-one;10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine
3159-07-7 Inquiry

2,2',4,4'-Tetrahydroxybenzophenone

Methanone,bis(2,4-dihydroxyphenyl)-;Benzophenone,2,2′,4,4′-tetrahydroxy-;Bis(2,4-dihydroxyphenyl)methanone;Uvinul D 50;2,2′,4,4′-Tetrahydroxybenzophenone;2,4,2′,4′-Tetrahydroxybenzophenone;Benzophenone 2;T 0118;Sumisorb 150;Seesorb 106;Uvinul 3050;NSC 38556;2,2′,4,4′-Tetrahydroxy diphenyl ketone;Dainsorb P 6;SUV 1;BP 2;Eversorb 51;53236-95-6
131-55-5 Inquiry

2,2'-Dihydroxy-4,4'-dimethoxybenzophenone

Methanone,bis(2-hydroxy-4-methoxyphenyl)-;Benzophenone,2,2′-dihydroxy-4,4′-dimethoxy-;Bis(2-hydroxy-4-methoxyphenyl)methanone;2,2′-Dihydroxy-4,4′-dimethoxybenzophenone;Uvinul D 49;Cyasorb UV 12;Benzophenone 6;4,4′-Dimethoxy-2,2′-dihydroxybenzophenone;Uvinul 3049;Seesorb 107;NSC 40149;UV 49;2-(2-Hydroxy-4-methoxybenzoyl)-5-methoxyphenol;BP 6;BP 6 (UV absorber);Dainsorb P 7;862891-45-0
131-54-4 Inquiry

2,3,5-Trimethylphenol

Phenol,2,3,5-trimethyl-;2,3,5-Trimethylphenol;Isopseudocumenol;1-Hydroxy-2,3,5-trimethylbenzene;6-Hydroxypseudocumene;NSC 5296;3,5,6-Trimethylphenol
697-82-5 Inquiry

2,4-Dihydroxybenzophenone

Methanone,(2,4-dihydroxyphenyl)phenyl-;Benzophenone,2,4-dihydroxy-;(2,4-Dihydroxyphenyl)phenylmethanone;Uvinul 400;2,4-Dihydroxybenzophenone;Eastman inhibitor DHPB;UF 1;UV 12;Benzoresorcinol;Advastab 48;Benzophenone 1;4-Benzoylresorcinol;Inhibitor DHBP;Uvistat 12;Resbenzophenone;HHB;Dastib 263;Seesorb 100;Sumisorb 100;NC 011;Aduvex 12;ASL 23;Viosorb 100;Ultrafast 800;Syntase 100;Uvinul M 400;Uvinul 3000;Lowilite 24;Sanduvor 3041;NSC 38555;NSC 5358;UV 214;Eversorb 10;Uvasorb 20H;UV 0;Zislizer;UV-O;UV 214 (UV absorber);BP 1;120920-25-4;1341-53-3;73468-18-5;86280-86-6;92092-63-2;895160-29-9
131-56-6 Inquiry

2,5-Diaminotoluene sulfate

1,4-Benzenediamine,2-methyl-,sulfate (1:1);Toluene-2,5-diamine,sulfate (1:1);2,5-Diaminotoluene sulfate;C.I. 76043;NSC 1703;2-Methylbenzene-1,4-diamine sulfate;62488-20-4
615-50-9 Inquiry

2,6-Diaminopyridine

2,6-Pyridinediamine;Pyridine,2,6-diamino-;2,6-Diaminopyridine;DAP;DAP (amine);NSC 1921;NSC 403346;84872-10-6
141-86-6 Inquiry

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

Phenol,2-(5-chloro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-;Phenol,2,4-di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)-;2-(5-Chloro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)phenol;2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole;2-(2′-Hydroxy-3′,5′-di-tert-butylphenyl)-5-chlorobenzotriazole;Tinuvin 327;2-(2-Hydroxy-3,5-di-tert-butylphenyl)-5-chlorobenzotriazole;2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole;2-(2-Hydroxy-3,5-di-tert-butylphenyl)-5-chloro-2H-benzotriazole;2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol;5-Chloro-2-(2-hydroxy-3,5-di-tert-butylphenyl)benzotriazole;5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)benzotriazole;5-Chloro-2-(3′,5′-di-tert-butyl-2′-hydroxyphenyl)benzotriazole;UV 2;5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole;UV 327;UV-Chek AM 607;Viosorb 580;Kemisorb 72;LA 34;ADK Stab LA 34;5-Chloro-2-(2-hydroxy-3,5-di-tert-butylphenyl)-2H-benzotriazole;Cyasorb UV 5357;2-(3′,5′-Di-tert-butyl-2′-hydroxyphenyl)-5-chlorobenzotriazole;Seesorb 702;UV 2 (UV stabilizer);Hisorp 327;2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol;TNV 327;Mark LA 34;Lowilite 27;Eversorb 75;Hisorb 327;Antioxidant 327;Songsorb 3270;2,4-Di-(tert-butyl)-6-(5-chloro-2H-benzo[d][1,2,3]triazol-2-yl)phenol;Chiguard 327;UVP 327;Light stabilizer 327;Sunsorb 327;2,4-Ditert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol;60712-40-5;102257-29-4;106085-69-2;114625-87-5;153613-74-2;188025-33-4;189456-66-4;659718-57-7;796971-90-9;1350838-92-4;1399293-74-3
3864-99-1 Inquiry

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